exercise. it's a lifestyle change. it's kind of cliche, but it truly is. >> so there's no shortcuts. >> no, there aren't. look, it's very simple. it's less going in and more exercise. >> is it a challenge, though, every day? >> oh, yeah. >> but have you changed your lifestyle? >> i've changed, but it's still work. again -- and my wife, deborah roberts, who's on 20/20 and abc, she's a person who eats, but she's a size 4. she works out. she runs. there's a certain mindset, i think, that naturally thin people have that those of us who are not don't have. we were at the chicago airport a few weeks ago coming home, and we're walking down one of the terminals. and we're walking by a mcdonald's, and i went, ooh, mcrib is back. she didn't even see that sign, but i saw mcrib is back. >> probably some beautiful picture. >> my old friend, mcrib. hello, mcrib, i've missed you so. >> what i think is fun is that you actually use d food to woo your then friend into being your fiancee. >> deborah was going off to do the olympics and asked me -- look, we're friends. she's a beautiful woman. we're friends.